Since 1996, Perma Dry Waterproofing has been providing quality drainage and specialty waterproofing service solutions for water damaged basements, crawlspaces, yards, driveways or any “at and below grade” water problem in the greater Puget Sound area.
Fix your crawl space problems permanently with Crawl Space Service's crawl space encapsulation.
Learn more here : http://crawlspaceservices.com/crawl-space-encapsulation-seattle